21875630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{312509}}^1$

素因数の和:312523

約数の個数: 16

約数和(自身を含む): 45001440

約数和(自身を除く): 23125810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 312509, 625018, 1562545, 2187563, 3125090, 4375126, 10937815, 21875630]

約数ペア:

[(1, 21875630), (2, 10937815), (5, 4375126), (7, 3125090), (10, 2187563), (14, 1562545), (35, 625018), (70, 312509)]